期刊
APPLIED PHYSICS LETTERS
卷 95, 期 4, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3184592
关键词
distributed Bragg reflectors; optical planar waveguides
资金
- Russian Foundation for Basic research [08-08-00966, 07-02-00617]
- Dynasty Foundation
A tunable planar narrow-band Bragg reflector based on coupling of the two propagating modes and a cutoff mode is considered. Coupled-wave analysis together with direct numerical simulations demonstrate operation of the proposed scheme up to the terahertz frequency band. Compatibility with the transportation of an intense electron beam encourages the use of a novel Bragg reflector in powerful long-pulse free electron lasers.
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